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11-18
HOW TO OPERATE CRANE
How to telescope boom
Boom telescoping lever
Boom
To retract
Boom
To extend
The hook is lifted up as the boom extends and is lowered as it
retracts.
When telescoping the boom, pay attention to where the hook is.
•
If the boom is extended further with the hook come close to the
boom top, the hook may hit against the boom top causing the wire
rope and the sheaves at the boom top to be damaged, and the fall of
lifted cargo may result.
• Be sure to turn ON the “voice switch”.
WARNING
To extend
Shift the lever to “
EXTend
” to extend the
boom.
◆
Power automatic accelerator
To retract
Shift the lever to “
RETract
” to retract the
boom.
To stop
Return the lever to neutral position to stop the
boom telescoping.
When the control lever is shifted further to
“
EXT
” or “
RET
”, the engine speed increases
according to the movement of the lever
which in turn increases telescoping speed of
the boom as the lever is interlocked with the
accelerator.
Engine changes from the idling to the highest
speed.
Operate the boom by controlling boom tele-
scoping lever together with by adjusting the
accelerator pedal.
◆
Boom control together with accelerator
pedal
CAUTION
Содержание URW370C4U Series
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